(n.) A large ornamental letter used, esp. by the early printers, at the commencement of the chapters and other divisions of a book.
Example Sentences:
(1) Speaking after the meeting in the Air Studios in north London, FAC board member and Radiohead guitarist Ed O'Brien described the outcome as "groundbreaking".
(2) Comparison of the results of this study with previously reported programs of FAC chemotherapy in patients with metastatic breast cancer shows that this study achieved higher overall and complete response rates.
(3) The following measurements were made relative to lymph nodes of untreated animals: (i) the expansion of the T-cell dependent areas in combination with the increase of HEV in this area, as detected by the HEV-specific mAb MECA-325, using morphometric analysis: (ii) the influx of FITC-labelled lymphocytes from the blood into the lymph node by FACS: (iii) the capacity of HEV to bind lymphocytes using an in vitro binding assay.
(4) FACS analysis revealed that approximately 40% of the EC population expressed HLA-DR antigen.
(5) At the functional level, we show that polyreactive IgM autoantibodies are produced by FACS-sorted CD5high B cells, but not by CD5- B cells from adolescent spleen.
(6) We studied changes in the distribution pattern of relative RNA content during the in vitro aging of TIG-3 cells by flow cytometry (FACS III).
(7) A regimen of ip injected antibody achieved rapid reduction of NK cells in diabetic and nondiabetic BB rats by FACS analysis.
(8) Pretreatment of beta-cells, purified by FACS with IL-1 beta results in a 40% inhibition of glucose-stimulated insulin secretion that is prevented by the nitric oxide synthase inhibitor, NG-monomethyl-L-arginine (NMMA).
(9) To test the diagnostic utility of FACs in BAL fluids, we compared 20 PCP-positive and 28 PCP-negative fluids as assessed by silver stains.
(10) The systematic study highlighted the fact that any laboratory contemplating conversion from microscopic reading of the GIFT should carefully evaluate and standardize their interpretation of FACS results with their manual reference method.
(11) We describe here the methods by which enriched populations of oligodendrocytes were isolated from adult porcine brains using Percoll density gradient centrifugation and their immunological properties analyzed by a fluorescence-activated cell sorter (FACS).
(12) For those who do not respond to FAC, the combinations active in refractory disease include vinca alkaloids and mitomycin C combinations.
(14) FACS-negative cell fractions were treated with heparitinase, nitrous acid, methanol-chloroform, or EDTA without modifying the number of reacting cells.
(15) FACS sorted Leu-7- cells, cultured for 7 days in the presence of 20% IL-2, acquired the receptors for Leu-7.
(16) Single-parameter FACS analyses demonstrate a diminution in both B cell number and the heterogeneity of membrane Ag expression within the surviving B cell pool after irradiation.
(17) The mean age at the time of surgery was 72.7 years for the ophthalmologists and 66.4 years for the FACS members.
(18) Tumor kinetic parameters were evaluated by TLI and PDP-LI in 22 patients on serial tumor biopsies at diagnosis (TO), after DES (T1), 24 hrs after the first FAC (T2) and at the time of radical surgery (T3).
(19) Both TNF and TNF receptors are detectable on monocyte membranes by FACS analysis, and the levels of each are modulated by treatment with IFN-gamma.
(20) Using FACS analysis, this antigen does not appear to be cell cycle specific, and is exposed to the external cell surface.
Tac
Definition:
(n.) A kind of customary payment by a tenant; -- a word used in old records.
Example Sentences:
(1) In 6 cases of T cell lymphoma, 5 cases were positive for T3+ and Tac+ each; 4 for T11+ and 2 for T6+ while all were positive for T4 and negative or weakly positive for T8A.
(2) The tetracaine component of TAC is superfluous for obtaining topical anesthesia of minor dermal lacerations of the face in children.
(3) The response of Tac rosette positive cells to recombinant IL-2 was always higher than that of the Tac rosette negative or unselected cells, indicating that this rosette method specifically selects T cells expressing IL-2 receptor.
(4) The role of interleukin 2 (IL-2) in the activation of suppressor T cells was investigated by using the monoclonal antibody anti-Tac, which blocks the binding of IL-2 to the 55-kDa peptide of the high-affinity IL-2 receptor.
(5) The IL 2 receptor on T4+ T-CLL cells was indistinguishable from that on normal activated T cells with respect to molecular weight and downregulation by the anti-Tac antibody.
(6) The capacity for T cell proliferation and the expression of Tac antigen (IL-2 receptor) was assessed during the post-burn period in patients with injuries ranging from 5-68% total body surface area.
(7) Comparison with the respective wild-type nucleotide sequence shows only one nucleotide change, G----A, causing a replacement of cysteine-58 (TGC) with tyrosine (TAC) in the E3 protein of ts1.
(8) A procedure is described for the phagocytic labeling of white blood cells (WBC) with high specific activity 99mTc--albumin colloid (TAC).
(9) Both the neuA and neuC genes are coexpressed under the control of a single upstream T7 or tac promoter, suggesting that neuA and neuC are part of an operon.
(10) The addition of anti-Tac during a preculture period inhibited the generation of Epstein-Barr virus (EBV)-induced suppressor T cells and of suppressor T cells induced in an antigen-specific system by a high antigen (sheep red blood cell) concentration.
(11) In contrast to wild-type IL-2R alpha, shedding of mutant Tac protein is strongly reduced.
(12) The complete transcriptional unit, incorporating the tac promoter and rrnB transcription terminators flanking the Pf1 coat protein gene, was excised from the expression plasmid and cloned into the intergenic space of bacteriophage R252, an fd bacteriophage that carries an amber mutation in its own major coat protein gene.
(13) The time course of expression of other known activation antigens, such as Tac and transferrin receptor, was comparable to that of CK226.
(14) In previous work, our laboratory has molecularly cloned the cDNA coding for the bovine IL-2 and IL-2R (p55, Tac) proteins.
(15) The degree of inhibition of protein synthesis, however, was not closely correlated with expression of CD25 antigen (low-affinity Mr 55,000 glycoprotein, IL-2R, Tac antigen) on ATL cells.
(16) Unlike other reported cases of Thp-CLL, fresh leukemic cells from this patient were positive with the anti-Tac monoclonal antibody, which recognizes the receptor for interleukin-2 (IL-2).
(17) SF CD4+ cells from RA and non-RA arthritides expressed the Tac antigen much more frequently than corresponding CD8+ cells (54 and 58% versus 16 and 17%).
(18) A Tn5tac1 insertion just inside the 3' end of cysQ, with its isopropyl-beta-D-thiogalactopyranoside-inducible tac promoter pointed toward the cysQ promoter, resulted in auxotrophy only when isopropyl-beta-D-thiogalactopyranoside was present; this conditional phenotype was ascribed to collision between converging RNA polymerases or interaction between complementary antisense and cysQ mRNAs.
(19) In addition, a monoclonal antibody (moAb) against the IL2 receptor (IL2-R; anti-Tac) inhibited the spontaneous colony formation from T-CFC of both groups of patients.
(20) The artificial secretory molecule of the IL-2 receptor named "bottom-less" receptor was able to react with anti-Tac antibody and to bind IL-2.